CN216639221U

CN216639221U - Rapid integrated sludge heavy metal removing equipment for non-point source area

Info

Publication number: CN216639221U
Application number: CN202120192813.0U
Authority: CN
Inventors: 王栋; 李祥; 陈丹; 汤珺怡
Original assignee: Hunan Airbluer Environmental Protection Technology Co ltd
Current assignee: Hunan Airbluer Environmental Protection Technology Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2022-05-31
Anticipated expiration: 2031-01-25

Abstract

The utility model provides a device for rapidly and integrally removing heavy metal from sludge in a non-point source area, which comprises a sludge dispersion tank and a centrifugal net, wherein an inlet is formed at the top opening of the sludge dispersion tank, a mud-water separation tank is arranged below the sludge dispersion tank, the top of the mud-water separation tank is connected with a conveying pipe, the top of the conveying pipe is connected with the bottom of the sludge dispersion tank, the centrifugal net is movably arranged in an inner cavity of the mud-water separation tank, a liquid storage tank is reserved in the mud-water separation tank below the centrifugal net, a wastewater conveying pipe is connected to the mud-water separation tank on one side of the liquid storage tank and is connected with the top of a filter tower, a filter device is arranged in the inner cavity of the filter tower, and the bottom of the filter tower is connected with a water outlet pipe. The utility model has reasonable structure and convenient operation after adopting the scheme.

Description

Rapid integrated sludge heavy metal removing equipment for non-point source area

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to a device for quickly and integrally removing heavy metals in sludge in a non-point source area.

Background

Aiming at the characteristics of accumulation, loss, conversion, control and the like of heavy metals in the agricultural production process of agricultural areas in China, a large amount of polluted sludge containing a large amount of harmful heavy metal ions exists in the agricultural areas and surrounding water areas, and the polluted sludge flows into lakes and rivers along with water flow, enters an ecological system and finally enters a food chain and harms human health. The traditional heavy metal sludge treatment equipment has large investment, complex process, high treatment energy consumption and low efficiency. Meanwhile, the chemical treatment method applies a large amount of chemical substances, so that the problem of secondary pollution is easily caused. Because the sludge is a mixed substance, the biological enzyme method has low efficiency, poor effect, higher cost and high difficulty in practical application.

In order to solve the problems in the background art, the existing agricultural non-point source area heavy metal sludge separation equipment needs to be optimized, and an integrated agricultural non-point source area sludge heavy metal removal equipment is developed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides the rapid and integrated removing equipment for the heavy metals in the sludge in the agricultural surface source area, which is suitable for rapidly removing the heavy metals in the sludge in the agricultural surface source area.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows: the utility model provides a quick integration desorption equipment of non-point source district mud heavy metal, it is including the sludge dispersion jar, the centrifugal screen, it is still including the conveyer pipe, the mud-water separation jar, the liquid storage tank, the waste water transmission pipe, the booster pump, filter tower, wherein, sludge dispersion jar open-top is formed with the entry, sludge dispersion jar below is equipped with the mud-water separation jar, mud-water separation jar top is connected with the conveyer pipe, the conveyer pipe top is connected with sludge dispersion jar bottom, mud-water separation jar inner chamber movable mounting has the centrifugal screen, reserve the dewatering zone between centrifugal screen lateral wall and the mud-water separation jar inner chamber wall after the installation, reserve the liquid storage tank in the mud-water separation jar of centrifugal screen below, be connected with the waste water transmission pipe on the mud-water separation jar of liquid storage tank one side, the waste water transmission pipe is connected with filter tower top, filter equipment is installed to the filter tower inner chamber, the filter tower bottom is connected with the outlet pipe.

The middle part of the waste water transmission pipe is provided with a booster pump.

The filtering device comprises a first filtering layer, a second filtering layer and a third filtering layer, wherein the first filtering layer, the second filtering layer and the third filtering layer are sequentially installed in the filtering tower in a stacking mode from top to bottom, and the distance between the second filtering layer and the first filtering layer and the distance between the second filtering layer and the third filtering layer are 10-30 cm after installation.

The first filter layer is made of large-particle resin and large-particle activated carbon, the second filter layer is made of ion exchange resin, and the third filter layer is made of powdered activated carbon.

The centrifugal net is made of stainless steel materials, and the aperture of the centrifugal net is 0.4-1.8 mm.

The utility model has the advantages of

1. The equipment integration degree is high, the cement of mineral sludge can be quickly separated, heavy metal ions in the sludge can be quickly dissolved, and sewage can be quickly treated;

2. the centrifugal net is made of stainless steel, has strong corrosion resistance and is fast and convenient to clean.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, in which preferred embodiments of the utility model are: referring to the attached drawing 1, the fast integrated equipment for removing heavy metals from sludge in a non-point source area comprises a sludge dispersion tank 1, a centrifugal net 4, a conveying pipe 2, a mud-water separation tank 3, a liquid storage tank 5, a wastewater conveying pipe 6, a booster pump 7 and a filter tower 8, wherein an inlet is formed at the top opening of the sludge dispersion tank 1, the mud-water separation tank 3 is arranged below the sludge dispersion tank 1, the conveying pipe 2 is connected with the top of the mud-water separation tank 3, the centrifugal net 4 is movably arranged in the inner cavity of the mud-water separation tank 3, a dehydration area is reserved between the outer side wall of the installed centrifugal net 4 and the inner cavity wall of the mud-water separation tank 3, the centrifugal net 4 is made of stainless steel material, the net aperture of the centrifugal net 4 is 0.4-1.8 mm, the liquid storage tank 5 is reserved in the mud-water separation tank 3 below the centrifugal net 4, a waste water transmission pipe 6 is connected to the mud-water separation tank 3 on one side of the liquid storage tank 5, a booster pump 7 is arranged in the middle of the waste water transmission pipe 6, the waste water transmission pipe 6 is connected with the top of a filter tower 8, a filter device is arranged in the inner cavity of the filter tower 8, and a water outlet pipe 12 is connected to the bottom of the filter tower 8; the filtering device comprises a first filtering layer 9, a second filtering layer 10 and a third filtering layer 11, wherein the first filtering layer 9, the second filtering layer 10 and the third filtering layer 11 are sequentially installed in the filtering tower 8 in a stacking mode from top to bottom, and the distance between the second filtering layer 10 and the first filtering layer 9 and the distance between the second filtering layer 11 and the distance between the first filtering layer 9 and the distance between the third filtering layer 11 are 10-30 cm; the first filter layer 9 is made of large-particle resin and large-particle activated carbon, the second filter layer 10 is made of ion exchange resin, and the third filter layer 11 is made of powdered activated carbon.

After the embodiment is adopted, the centrifugal net is purchased from the market and installed in the mud-water separation tank through the conventional technology, the centrifugal net is driven to rotate by an external motor, firstly, sludge to be treated is put into the mud-water separation tank through an inlet and added with water, the sludge is fully dispersed in the water through stirring, then, the sludge is guided into the centrifugal net in the mud-water separation tank through a conveying pipe, the centrifugal net is driven to rotate by the external motor, the sludge and the water are separated on the centrifugal net through the centrifugal effect, the water flows into the liquid storage tank through the gravity effect and is collected, then, the water enters the filter tower through the waste water conveying pipe under the action of the booster pump, the waste water passes through the first filter layer, the second filter layer and the third filter layer for three times for filtering, the removal of harmful heavy metal particles is realized, the filtered water is discharged from the water outlet pipe and can be recycled, and is added into the mud-water separation tank again for dispersing the sludge, after the removal is finished, uniformly treating the mud left in the centrifugal net; the centrifugal net is driven by an external motor to rotate at a high speed, so that mud and water in the dispersed sludge can be separated, the subsequent drying process of the dewatered sludge is facilitated, and the used centrifugal net is made of stainless steel, has strong corrosion resistance and is quick and convenient to clean; by adopting the embodiment, the method is convenient to use, convenient to operate and clear in process flow, and can be used for separating heavy metal ions from sludge into water by quickly dispersing the heavy metal sludge in the agricultural non-point source region in water and carrying out grading treatment, so that the heavy metal removal efficiency of the sludge can be obviously improved, the service life of equipment consumables can be prolonged, the treatment cost can be effectively reduced, and the sludge heavy metal in the agricultural non-point source region can be quickly removed.

The above description is only for the specific embodiments of the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a quick integration desorption equipment of non-point source district mud heavy metal, it is including mud dispersion jar (1), centrifugal net (4), its characterized in that: the sludge-water separator further comprises a conveying pipe (2), a sludge-water separation tank (3), a liquid storage tank (5), a wastewater conveying pipe (6), a booster pump (7) and a filter tower (8), wherein an inlet is formed at the top opening of the sludge dispersion tank (1), the sludge-water separation tank (3) is arranged below the sludge dispersion tank (1), the conveying pipe (2) is connected to the top of the sludge-water separation tank (3), the top of the conveying pipe (2) is connected with the bottom of the sludge dispersion tank (1), a centrifugal net (4) is movably arranged in an inner cavity of the sludge-water separation tank (3), a dehydration area is reserved between the outer side wall of the installed centrifugal net (4) and the inner cavity wall of the sludge-water separation tank (3), the liquid storage tank (5) is reserved in the sludge-water separation tank (3) below the centrifugal net (4), the wastewater conveying pipe (6) is connected to the top of the filter tower (8), the inner cavity of the filter tower (8) is provided with a filter device, and the bottom of the filter tower (8) is connected with a water outlet pipe (12).

2. The non-point source area sludge heavy metal rapid integrated removal equipment according to claim 1, characterized in that: the middle part of the waste water transmission pipe (6) is provided with a booster pump (7).

3. The non-point source area sludge heavy metal rapid integrated removal equipment according to claim 1, characterized in that: the filtering device comprises a first filtering layer (9), a second filtering layer (10) and a third filtering layer (11), wherein the first filtering layer (9), the second filtering layer (10) and the third filtering layer (11) are sequentially installed in a filtering tower (8) in a stacking mode from top to bottom, and the distance between the second filtering layer (10) and the first filtering layer (9) and the distance between the second filtering layer (11) and the third filtering layer (11) are 10-30 cm after installation.

4. The non-point source area sludge heavy metal rapid integrated removal equipment according to claim 1, characterized in that: the centrifugal net (4) is made of stainless steel materials, and the hole diameter of the centrifugal net (4) is 0.4-1.8 mm.